Finding the Fourth Proportional to 1,284,249,567.26, 1,772,234,260.08 and 755,647,790.81
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Solution
The fourth proportional to 1,284,249,567.26, 1,772,234,260.08 and 755,647,790.81 is: 1,042,776,215.44
Step by Step Solution
- Step 1: Write the proportion equation
1,284,249,567.26 : 1,772,234,260.08 = 755,647,790.81 : x - Step 2: Convert to fraction form
1,284,249,567.26/1,772,234,260.08 = 755,647,790.81/x - Step 3: Cross multiply
1,284,249,567.26x = 1,772,234,260.08 × 755,647,790.81 - Step 4: Simplify right side
1,284,249,567.26x = 1,339,184,903,418,385,664 - Step 5: Solve for x
x = 1,339,184,903,418,385,664/1,284,249,567.26 - Step 6: Final answer
x = 1,042,776,215.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.